GraphicModel.getInstance().setInitializing(true);
initSheetNumber(0);
tableur.setName(baseSheetName + getNextSheetNumber());
List<Tableur> sheetList = new ArrayList<>();
sheetList.add(tableur);
String editor = tableur.toEditColumns();
SpreadSheets.getInstance().notifyNewDocument(sheetList, editor, 3);
file = null;
fireFichierOuvert(/*null,*/ getShortFileName());
GraphicModel.getInstance().notifyGraphicStyleChanged(null, false);
GraphicModel.getInstance().setInitializing(false);